The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 17, 2005
Filed:
Dec. 20, 2001
Applicants:
Rémy Cordier, Sceaux, FR;
Laurent Lantoine, Herblay, FR;
Inventors:
Rémy Cordier, Sceaux, FR;
Laurent Lantoine, Herblay, FR;
Assignee:
Gaz de France, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F001/00 ; G01K017/06 ;
U.S. Cl.
CPC ...
Abstract
A method for evaluating the Wobbe index of a fuel gas belonging to a family of gases. The method includes measuring mass flow rates the fuel gas and of a reference gas, which is not necessarily a fuel gas at respective absolute pressures and temperatures and in a sonic flow through a microjet. An evaluation of the Wobbe index (W) of the fuel gas as W=A×Y+B uses the results of measurements of the fuel gas and the reference gas and is established for all the gases of the family considered.